#!/usr/bin/env python

import os

def funcion(sys):
	""" ver si devuelve algo.. """
	i=0
	
	while i<10:
		print i
		if i==5:
			a='modificado'
			break
		i+=1
	
	return a

if __name__ == "__main__":
	
	install = open('install.txt', 'r')
	datos_install = install.read()
	datos_install = datos_install.split("\n")
	
	for str in datos_install:
		str = str.split(',')
		if str[0]=='ubuntu':
			ret = str
			break
		else:
			ret=None
	
	print 'final'
	print ret
	
	raw_input()
